Oh yes, learning lisp has made me more unhappy when working on non-lisps.
"it feels like the only limit is your own brain and not the language."
That's a great way to put it.
Of course, you do eventually run into limits in any language. But arc's gotten several people working on pushing them back. All the implementations at the bottom of https://sites.google.com/site/arclanguagewiki/home are about breaking some limitation or other.
